Experimental Study the on Hysteretic Characteristics of Rotational Friction Energy Dissipative Devices

회전 마찰형 제진장치의 이력특성에 대한 실험적 연구

  • Park, Jin-Young (Department of Architectural Engineering, University of Seoul) ;
  • Han, Sang Whan (Division of Architectural Engineering, Hanyang University) ;
  • Moon, Ki-Hoon (Division of Architectural Engineering, Hanyang University) ;
  • Lee, Kang Seok (Department of Architecture, Chonnam National University) ;
  • Kim, Hyung-Joon (Department of Architectural Engineering, University of Seoul)
  • 박진영 (서울시립대학교 건축공학과) ;
  • 한상환 (한양대학교 건축공학과) ;
  • 문기훈 (한양대학교 건축공학과) ;
  • 이강석 (전남대학교 건축학부) ;
  • 김형준 (서울시립대학교 건축공학과)
  • Received : 2013.05.31
  • Accepted : 2013.07.31
  • Published : 2013.09.02


Friction energy dissipative devices have been increasingly implemented as structural seismic damage protecting systems due to their excellent seismic energy dissipating capacity and high stiffness. This study develops rotational friction energy dissipative devices and verifies experimentally their cyclic response. Based on the understanding of the differences between the traditional linear-motion friction behavior and the rotational friction behavior, the configuration of the frictional surface was determined by investigating the characteristics of the micro-friction behavior. The friction surface suggested in this paper consists of brake-lining pads and stainless steel sheets and is normally stressed by high-strength bolts. Based upon these frictional characteristics of the selected interface, the rotational friction energy dissipative devices were developed. Bolt torque-bearing force tests, rotational friction tests of the suggested friction interfaces were carried out to identify their frictional behavior. Test results show that the bearing force is almost linearly proportional to the applied bolt torque and presents stable cyclic response regardless of the experimental parameters selected this testing program. Finally, cyclic tests of the rotational friction energy dissipative devices were performed to find out their structural characteristics and to confirm their stable cyclic response. The developed friction energy dissipative devices present very stable cyclic response and meet the requirements for displacement-dependent energy dissipative devices prescribed in ASCE/SEI 7-10.


Supported by : 중소기업청


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